/ 2 \ / 2 4 \ 3
| x | | 5*x 4*x | / 2 \ / 2 \
|-1 + ------|*|1 - ------ + ---------| 2 | x | 2 | x |
| 2| | 2 2| 6*x *|-1 + ------| 3*x *|-1 + ------|
4 2 \ 1 + x / | 1 + x / 2\ | | 2| | 2|
15*x 18*x \ \1 + x / / \ 1 + x / \ 1 + x /
-3 - --------- + ------ - -------------------------------------- + ------------------ - ----------------------
2 2 2 2 2
/ 2\ 1 + x x 1 + x / 2 \
\1 + x / 1 - ------ / 2\ | x |
2 \1 + x /*|1 - ------|
1 + x | 2|
\ 1 + x /
--------------------------------------------------------------------------------------------------------------
____________
3/2 / 2
/ 2\ / x
\1 + x / * / 1 - ------
/ 2
\/ 1 + x